This transcript has been automatically generated and may not be 100% accurate.

Pain = Weight Loss: The Tongue Patch Diet

The patch makes eating hurt, facilitating a month-long shake diet.

The Top 5 Weirdest Weight Loss Products

New technology created more ways we can look foolish while trying to look good.

{"id":19943070,"title":"Tongue Patch Diet","duration":"3:00","description":"Lose 20 pounds in a month? Nothing fuels a dieter like the promise of a quick fix.","section":"Nightline","mediaType":"Default"}